Engineering, product and tutorial notes from the Nosmai team on camera AR, on-device AI and developer experience.https://nosmai.com/en-ushttps://nosmai.com/blog/on-device-vs-cloud-content-moderation-privacy-latency-and-cost-compared/https://nosmai.com/blog/on-device-vs-cloud-content-moderation-privacy-latency-and-cost-compared/Every developer building a UGC app eventually hits the same fork in the road.Tue, 11 Aug 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/on-device-content-moderation-the-complete-guide/https://nosmai.com/blog/on-device-content-moderation-the-complete-guide/The fastest way to lose a user on an app isn't a crash or a slow screen. Mon, 10 Aug 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/app-store-guideline-1-2-explained-how-to-pass-review-with-user-generated-content/https://nosmai.com/blog/app-store-guideline-1-2-explained-how-to-pass-review-with-user-generated-content/There's a specific kind of panic that hits when you open App Store Connect and see.Thu, 06 Aug 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/nsfw-detection-how-it-works-and-how-to-add-it-to-your-app/https://nosmai.com/blog/nsfw-detection-how-it-works-and-how-to-add-it-to-your-app/It only takes one explicit image to undo months of work on your app.Thu, 06 Aug 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/building-react-native-and-flutter-camera-filters-a-guide-for-2026/https://nosmai.com/blog/building-react-native-and-flutter-camera-filters-a-guide-for-2026/Yes, you CAN build React Native and Flutter camera filters without creating separate camera experiences for iOS and Android.Tue, 07 Jul 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/choosing-a-camera-sdk-in-2026-build-vs-buy/https://nosmai.com/blog/choosing-a-camera-sdk-in-2026-build-vs-buy/If beauty filters, face effects, background removal or on-device moderation aren't your product's differentiator, buy a camera SDK.Tue, 07 Jul 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/image-moderation-without-sending-user-data-to-the-cloud/https://nosmai.com/blog/image-moderation-without-sending-user-data-to-the-cloud/Most image moderation systems today still work the same way:  a user uploads a photo, it goes to a server, and an API returns with a response.Tue, 07 Jul 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/content-moderation-api-a-developer-s-implementation-guide/https://nosmai.com/blog/content-moderation-api-a-developer-s-implementation-guide/A user uploads a photo, video, or message, the app sends it to a cloud service, waits for the response, and only then decides whether the content is safe.Tue, 07 Jul 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/how-to-add-ar-filters-to-your-app/https://nosmai.com/blog/how-to-add-ar-filters-to-your-app/Adding AR filters to your mobile app seems simple enough… until you start looking at the code.Tue, 07 Jul 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/trust-and-safety-for-developers-a-practical-starting-point/https://nosmai.com/blog/trust-and-safety-for-developers-a-practical-starting-point/When people talk about trust and safety, they usually mean a dedicated team inside a large company.Tue, 07 Jul 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/ugc-moderation-how-to-keep-user-content-safe-at-scale/https://nosmai.com/blog/ugc-moderation-how-to-keep-user-content-safe-at-scale/The moment your app lets users upload anything (photos, videos, live streams, comments) you don’t just get users; you inherit their content.Tue, 07 Jul 2026 00:00:00 GMTEngineeringNosmai Teamhttps://nosmai.com/blog/video-content-moderation-explained-a-handy-guide/https://nosmai.com/blog/video-content-moderation-explained-a-handy-guide/A lot of developers approach video content moderation as if it’s just image moderation repeated over time.Tue, 07 Jul 2026 00:00:00 GMTEngineeringNosmai Team